Question
Rs. 18,000 is invested at simple interest at 8% per
annum for some years. If the interest earned is Rs. 8,640, for how many years was the money invested?Solution
SI = (P × R × T) / 100 8,640 = (18,000 × 8 × T) / 100 8,640 = 1,440 T T = 8,640 / 1,440 = 6 years
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